Challenging collection of 42 mathematical mind-benders, compiled by Lewis Carroll scholar, includes Castle Croquet, A Sticky but Polished Riddle, Who's Coming to Dinner?, A New Way to Pay Old Debts, Eligible Apartments, Predicting the Total, and more. Solutions.
Here's a sample of other books in this Dover category
Symbolic Logic and the Game of Logic by Lewis Carroll Over 350 ingenious problems involving classical logic: logic expressed in symbols; syllogisms and the sorites diagrammed; logic as a game played with 2 diagrams and a set of counters.
The Mathematical Recreations of Lewis Carroll: Pillow Problems and a Tangled Tale by Lewis Carroll Whimsically and delightfully presented mathematical recreations by the author of Alice in Wonderland are solved by arithmetic, algebra, geometry, trigonometry, differential calculus and transcendental properties. 6 illustrations. Two books bound as one.
Lewis Carroll’s Games and Puzzles by Lewis Carroll, Edward Wakeling Forty-two perplexing puzzles by creator of Alice in Wonderland: Cakes in a Row, Looking-Glass Time, Arithmetical Croquet, Diverse Doublets and others. Hints, solutions. Illustrations by John Tenniel.